Battery charger



FIG. 1 is a top perspective view of the battery charger showing my newdesign.

FIG. 2 is a bottom perspective view.

FIG. 3 is a top view.

FIG. 4 is a bottom view.

FIG. 5 is a right side view thereof.

FIG. 6 is a left side view thereof.

FIG. 7 is a front view thereof; and,

FIG. 8 is a back view thereof.

I claim the ornamental design for a battery charger, as shown anddescribed.